Advanced WiringCâu 72 / 110
Which wiring method is acceptable in a Class I, Division 2 location?
a.Type NM
b.Type AC
c.Nonmetallic Romex
d.Type MC with listed fittings
Giải thích
Class I, Division 2 permits methods such as threaded rigid metal conduit and Type MC cable with listed fittings; ordinary NM/AC cable is not permitted.
Trích dẫn luật: 2023 NEC 501.10(B)Luyện miễn phí toàn bộ 110 câu hỏi — không cần đăng ký.
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